The authors are interested in the comparison of several kinds of methods for fundamental frequency estimation and GCI (glottal closure instant) detection. These methods operate in various domains (time-, frequency- or joint time-frequency domains). Their performances have been compared for both fundamental frequency estimation and voicing decision tasks as well as GCI detection, when applicable. This comparison was designed to be as unbiased as possible, so as to reflect the intrinsic properties of each method. A method based on a

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